Fruit quality characterization of seven pomegranate accessions (Punica granatum L.) grown in Southeast of SpainScientia Horticulturae

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Authors
Francisca Hernández, Pilar Legua, Rafael Martínez, Pablo Melgarejo, Juan José Martínez
Year
2014
DOI
10.1016/j.scienta.2014.05.035
Subject
Horticulture

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Text

Scientia Horticulturae 175 (2014) 174–180

Contents lists available at ScienceDirect

Scientia Horticulturae journa l h om epa ge: www.elsev ier .com/ locate /sc ihor t i

Fruit q an (Punica ain

Francisca elg

Plant Science a , 0331 a r t i c l

Article history:

Received 17 A

Received in re

Accepted 30 M

Keywords:

Arils

Crude fiber

Fruit

Seed

Titratable acid tics o enou nd or essio rils an tent, e PTO mpti hese 1. Introduction

A pomegranate is a fruit tree with deciduous leaves, which in recent years has seen great expansion in several countries, especially those with Mediterranean-like climates, where fruit of excellent qu

Pomegra peratures to

Basin, Sout

America. It has led to i new individ

The mai are Iran, A

Spain, Turk (Jbir et al., expansion i especially w other crops and covered

Spain in pro tively) (MA ∗ Correspon

E-mail add

There is growing interest in this fruit not only because it is pleasant to eat, but also because it is considered a functional product with great benefit for the human diet, as it contains several groups of substances that are useful for disease prevention (C¸ am et al., 2009; Fawole and Opara, 2013; Melgarejo and Salazar, 2002). It has http://dx.doi.o 0304-4238/© ality can be obtained. nates, a temperate climate species requiring high temmature properly, are cultivated in the Mediterranean hern Asia and several countries in North and South s successful adaptation to the Mediterranean climate ts wide dispersion and the creation of a multitude of uals over time. n regions for pomegranate cultivation and production fghanistan, India, Mediterranean countries (Morocco, ey, Tunisia and Egypt) and Middle Eastern countries 2008; Melgarejo et al., 2009). The possibilities for its nto arid and semi-arid zones of the world are enormous, here salinity and water scarcity are limiting factors for . In Spain in 2012, total production exceeded 32,606 t an area of 2610 ha. Alicante is the leading province in duction and surface area (30,794 t and 2029 ha, respecGRAMA, 2012). ding author. Tel.: +34966749691, fax: +34966749693. ress: juanjose.martinez@umh.es (J.J. Martínez). always been allocated for fresh consumption, but recently there is a huge demand for industrial processing to obtain pomegranate juice, jams, etc. Because of market demand, it has become increasingly important to characterize its different varieties and clones to obtain a high quality product with economic interests.

Since pomegranate consumption is driven by both the fresh market and processing industry, it is crucial to acknowledge all of the fruit’s characteristics not only to classify varieties from a botanical point of view, but also to meet current market demand for quality fruits.

The aim of this work was to determine the physico-chemical characteristics, for the seven accessions grown in Southeast of Spain in order to gain more knowledge about the potential of these fruits. 2. Materials and methods 2.1. Plant material

The selected plant material (CRO2, M14, ME16, PTO3, PTO4,

PTO7 and PTO8) belong to the principal pomegranate germoplasm bank of the EU, which is located at the experimental field station of Miguel Hernández University in the province of Alicante, Spain rg/10.1016/j.scienta.2014.05.035 2014 Elsevier B.V. All rights reserved.uality characterization of seven pomegr granatum L.) grown in Southeast of Sp

Hernández, Pilar Legua, Rafael Martínez, Pablo M nd Microbiology Department, EPSO, University Miguel Hernández, Ctra. Beniel, km. 3.2 e i n f o pril 2014 vised form 23 May 2014 ay 2014 ity a b s t r a c t

This study evaluated the characteris

PTO4, PTO7, and PTO8). All are indig variability. Morphological, chemical a tigated. ME14 and ME16 were the acc

PTO8 and CRO2 showed the heaviest a the highest values for crude fiber con could be classified as sweet, while th considered acceptable for fresh consu were ME14 and ME16. The fact that t influenced this assessment.ate accessions arejo, Juan José Martínez ∗ 2 Orihuela, Alicante, Spain f seven pomegranate accessions (CRO2, ME14, ME16, PTO3, s to two provinces in Spain where the species shows high ganoleptic characterizations of the fruits and arils were invesns the sensory panel granted major acceptance. Furthermore, d ME14 and ME16 the lightest. The latter accession presented total soluble solids and lower titratable acidity (TA); its flavor 7 accession are classified as sour-sweet. All of them can be on, and the cultivars receiving the highest overall assessment two cultivars were those that showed higher maturity index © 2014 Elsevier B.V. All rights reserved.

F. Hernández et al. / Scientia Horticulturae 175 (2014) 174–180 175

Table 1

Geographic origin of the seven Spanish pomegranate accessions.

Genotypes Geographic origin Latitude North Longitude West Altitude (m) Rainfall (mm)

CRO2 Valle de Ricote (Murcia) 38◦ 08′ 1◦ 20′ 117 290

ME14 0◦ 38

ME16 0◦ 38

PTO3 1◦ 20

PTO4 1◦ 20

PTO7 1◦ 20

PTO8 1◦ 20 (02◦03′50′′ plasm bank seven acces

Four trees to obtain th ples were t and those p or bruises in stored in co ity of 95%. laboratory. 2013. 2.2. Charac

From ea every sing tics were (D1) (mm) calyx (L1) (L3) (mm), rial section (Rw + Cm) were perfo arils yield (

If = (D1/L1) fruit rind th

The diam with an ele accuracy. T membranes of 0.1 g. 2.3. Charac

After ex chosen ever characterist - Maximum (Mitutoyo - Aril weig (Mettler A - The moist dried in a

Four repe - Juice cont sample. - Total solu juice obta tal refrac expressed - Total titra from each

Metrohm ml d per li rity on h ., 200 17–2 para mum eviou ht of inde e fib n fib al m re, Fi ty w valu ste a ardn ness le: p ere ing ca artín atisti istic

SPSS is wa rison her’ ence is (C stan met s dis ults ysica ave ithin 2), aElche (Alicante) 38◦ 08′

Elche (Alicante) 38◦ 08′

Valle de Ricote (Murcia) 38◦ 08′